When exercising, it is best to reach your target heart rate for optimal results. O True
O False

false.

Explanation:

The American Heart Association recommends exercising with a target heart rate of 50 to 75 percent of your maximum heart rate for beginners, and for moderately intense exercise. You can work at 70 to 85 percent of your maximum heart rate during vigorous activity.

pls mark brainliest

hope you have a great day:

true

Explanation:

you suppose to get full exercise daily. 60 min

cancer may have started a fight but will finish it.♡

use of tobacco (chewing or oral intake–cause of oral cancer)

.premature or childhood pregnancies and lack of sexual hygiene (causes in cancer of ovaries and uterus of women)

.use of contraceptive pills of oral use and childlessness among women who never breast-feed (causes in breast cancer)

smoking (cause of lung cancer)

other environmental causes

air and water pollution

excessive exposure to radiation

eating and sleeping habits in violation of the laws of natural living

suppressive and unnatural (body unfriendly) treatment of common diseases

excessive exposure to harmful chemicals of the following types—

benzene

arsenic

chromium

cadmium

asbestos

vinyl chloride

polycyclic hydrocarbons etc.

below are types of cancer:

lung cancer

prostate cancer

colorectal cancer

bladder cancer

breast cancer

melanoma

kidney cancer

liver cancer transplant

pancreatic cancer

thyroid cancer

cervical cancer

colorectal cancer

lymphoma

ovarian cancer

skin cancer

uterine cancer

vaginal and vulvar cancers

the answer is c   it wants me to write more for no reason bu c is the answer